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Stupid bugs.

This commit is contained in:
Federico Ponchio 2005-01-18 22:24:23 +00:00
parent 7dca7fd327
commit 4636a37a27
2 changed files with 24 additions and 18 deletions
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29
apps/nexus/borderserver.cpp
View File

@ -45,32 +45,35 @@ void BorderServer::AddBorder(unsigned short nbord, unsigned int used) {
Border BorderServer::GetBorder(unsigned int border, bool flush) {
BorderEntry &entry = operator[](border);
//assert(entry.size != 0);
if(index.count(border)) {
assert(entry.links);
list<unsigned int>::iterator &i = index[border];
//assert(entry.links);
list<unsigned int>::iterator i = index[border];
pqueue.erase(i);
pqueue.push_front(border);
index[border] = pqueue.begin();
} else {
while(flush && ram_used > ram_max) {
assert(pqueue.size());
unsigned int to_flush = pqueue.back();
pqueue.pop_back();
index.erase(to_flush);
FlushBorder(to_flush);
}
assert(!entry.links);
entry.links = GetRegion(entry.start, entry.size);
if(entry.size != 0)
entry.links = GetRegion(entry.start, entry.size);
pqueue.push_front(border);
list<unsigned int>::iterator i = pqueue.begin();
index[border] = i;
index[border] = pqueue.begin();
ram_used += entry.size;
}
return Border(entry.links, entry.used, entry.size);
}
//TODO Change when remving borderentry class.
bool BorderServer::ResizeBorder(unsigned int border, unsigned int nbord) {
assert(nbord < 65500);
assert(border < size());
GetBorder(border);
BorderEntry &entry = operator[](border);
if(nbord > entry.size) {
int capacity = nbord;
@ -80,11 +83,12 @@ bool BorderServer::ResizeBorder(unsigned int border, unsigned int nbord) {
capacity = 65500;
unsigned int newstart = Length()/sizeof(Link);
Redim((newstart + capacity) * sizeof(Link));
Link *dst = GetRegion(newstart, capacity);
if(entry.used > 0) {
Link *src = GetRegion(entry.start, entry.size);
Link *dst = GetRegion(newstart, capacity);
memcpy(dst, src, entry.used * sizeof(Link));
}
entry.links = dst;
entry.start = newstart;
entry.size = capacity;
entry.used = nbord;
@ -96,18 +100,19 @@ bool BorderServer::ResizeBorder(unsigned int border, unsigned int nbord) {
void BorderServer::FlushBorder(unsigned int border) {
BorderEntry &entry = operator[](border);
assert(entry.links);
if(!MFile::IsReadOnly()) { //write back patch
//assert(entry.links);
if(entry.size && !MFile::IsReadOnly()) { //write back patch
MFile::SetPosition((int64)entry.start * sizeof(Link));
MFile::WriteBuffer(entry.links, entry.used * sizeof(Link));
}
delete [](entry.links);
if(entry.size)
delete [](entry.links);
entry.links = NULL;
ram_used -= entry.size;
}
Link *BorderServer::GetRegion(unsigned int start, unsigned int size) {
assert(size > 0);
SetPosition(start * sizeof(Link));
Link *buf = new Link[size];
assert(buf);

3
apps/nexus/borderserver.h
View File

@ -15,9 +15,10 @@
namespace nxs {
//This should be Border class!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
struct BorderEntry {
unsigned int start; //granuralita' Link
unsigned short size; //in Links
unsigned short size; //in Links //TODO what are this? be clear!
unsigned short used; //in Links
Link *links;
};